I've reviewed this document as part of the transport area review team's ongoing effort to review key IETF documents. These comments were written primarily for the transport area directors, but are copied to the document's authors for their information and to allow them to address any issues raised. When done at the time of IETF Last Call, the authors should consider this review together with any other last-call comments they receive. Please always CC tsv-art@ietf.org if you reply to or forward this review.

The document extends the FEC framework to add sliding window codes in addition to the previously supported block codes. This changes the amount the FEC generated, and when it is generated, but doesn't make fundamental changes to the framework. As such, I don't believe there are any new transport issues raised when compared to the existing FEC framework of RFC 6363.

Colin